public void RemoveTwist(EasyTouch.TwistHandler handler) { if (handler != null && this.m_TwistList.Contains(handler)) { this.m_TwistList.Remove(handler); } }
public void RegisterTwist(EasyTouch.TwistHandler handler) { if (handler != null && !this.m_TwistList.Contains(handler)) { this.m_TwistList.Add(handler); } }